Hello! I would like to make my car winterfest soon. Since there are soooo many different varieties of wax from 5 – 2000 Euro the can I wanted to know from you, which wax is really winterfest, or. does not wear off again so quickly. I place no value on shine. I also do not care how much Carnauba is in there. What can you recommend for rubber care, with which I can make door seals etc. supple? Greeting Chris